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Pex preference for Radiant floor heat?

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  • Pex preference for Radiant floor heat?

    Anyone know if one brabd of Pex with the O2 barrier is preferrable to another? Is one moe flexible? This would be for a retro-fit job.

  • #2
    Re: Pex preference for Radiant floor heat?

    I'm not certain it's true of flexibility, but it seems that Rehau and Wirsbo are easier to work with.

    Also, I would highly recommend using a high quality barrier PEX from either Rehau or Wirsbo as they are the only 2 systems i'm aware of that have the least flow restriction at the fittings, and highest reliability.

    Will this be in-floor, or under-floor?


    • #3
      Re: Pex preference for Radiant floor heat?

      There is a difference. look for PEX-A which is more workable and repairable if kinked, PEX-B would be my second choice but becoming less available, PEX-C such as Zurn will work fine but kink it and you have to cut it and install a splice coupling. Wirsbo and Rehau mainly market PEX-A.